/* roulang page: index */
:root{
  --bg:#070B1F;
  --bg-2:#0C142E;
  --bg-3:#050915;
  --primary:#2D6BFF;
  --accent:#17E0C8;
  --amber:#FFB43D;
  --text:#EAF0FF;
  --body:#C3CEE8;
  --muted:#8A99BF;
  --weak:#66739A;
  --glass:rgba(255,255,255,.055);
  --glass-strong:rgba(255,255,255,.085);
  --line:rgba(140,190,255,.16);
  --line-soft:rgba(140,190,255,.09);
  --radius-card:16px;
  --radius-panel:18px;
  --radius-btn:12px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 18px 44px rgba(0,0,0,.42);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.2px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
table{border-collapse:collapse;}
::selection{background:rgba(45,107,255,.4);color:#fff;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:108px 0;position:relative;}
.section--alt{background:var(--bg-2);}
.section--tight{padding:80px 0;}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-panel);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* ============ 顶部公告条 ============ */
.topbar{background:linear-gradient(90deg,rgba(45,107,255,.22),rgba(23,224,200,.14));border-bottom:1px solid var(--line-soft);}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:40px;padding-top:6px;padding-bottom:6px;}
.topbar-inner p{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--body);line-height:1.6;}
.topbar-inner .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(23,224,200,.16);flex:0 0 auto;}
.topbar-close{width:26px;height:26px;border-radius:50%;font-size:16px;line-height:1;color:var(--muted);display:flex;align-items:center;justify-content:center;transition:background .2s ease,color .2s ease;}
.topbar-close:hover{background:rgba(255,255,255,.08);color:var(--text);}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:90;background:rgba(7,11,31,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:border-color .25s ease,background .25s ease;}
.site-header.scrolled{border-bottom-color:var(--line-soft);background:rgba(7,11,31,.95);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,#2D6BFF,#17E0C8);display:flex;align-items:center;justify-content:center;font-weight:800;color:#04122A;font-size:18px;box-shadow:0 8px 22px rgba(45,107,255,.32);flex:0 0 auto;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.6px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:2.4px;}
.main-nav{display:flex;align-items:center;gap:6px;}
.nav-link{position:relative;padding:22px 14px;font-size:15px;font-weight:600;color:var(--muted);}
.nav-link:hover{color:var(--text);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;border-radius:2px;background:linear-gradient(90deg,#2D6BFF,#17E0C8);}
.nav-right{display:flex;align-items:center;gap:14px;}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);flex-direction:column;align-items:center;justify-content:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;padding:9px 16px;border-radius:var(--radius-btn);border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--body);transition:border-color .2s ease,color .2s ease,background .2s ease;}
.mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{border-color:rgba(23,224,200,.5);color:var(--text);background:rgba(23,224,200,.07);}
.mega-trigger i{font-size:11px;transition:transform .2s ease;}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-panel{position:absolute;top:calc(100% + 14px);right:0;width:620px;padding:26px;opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .18s ease,transform .18s ease,visibility .18s ease;z-index:95;background:rgba(10,17,48,.96);border:1px solid var(--line);border-radius:var(--radius-panel);box-shadow:var(--shadow-lg);backdrop-filter:blur(18px);}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;}
.mega-col h4{font-size:12px;letter-spacing:1.8px;color:var(--weak);font-weight:700;margin-bottom:16px;}
.mega-col a{display:flex;align-items:center;justify-content:space-between;padding:11px 14px;border-radius:10px;font-size:14.5px;color:var(--body);border:1px solid transparent;transition:background .2s ease,border-color .2s ease,color .2s ease;}
.mega-col a i{font-size:11px;color:var(--weak);}
.mega-col a:hover{background:rgba(23,224,200,.07);border-color:rgba(23,224,200,.24);color:var(--text);}
.mega-status{padding:18px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);}
.mega-status p{font-size:13.5px;color:var(--muted);margin:12px 0 16px;line-height:1.75;}

/* ============ 按钮 / 徽章 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 26px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;letter-spacing:.4px;border:1px solid transparent;transition:transform .2s ease,box-shadow .25s ease,filter .2s ease,background .2s ease,border-color .2s ease,color .2s ease;}
.btn-primary{background:linear-gradient(135deg,#2D6BFF,#17E0C8);color:#ffffff;box-shadow:0 0 0 1px rgba(45,107,255,.5),0 10px 30px rgba(23,224,200,.22);}
.btn-primary:hover{color:#fff;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,107,255,.6),0 16px 36px rgba(23,224,200,.3);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(45,107,255,.5),0 6px 16px rgba(23,224,200,.18);}
.btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(140,190,255,.24);color:var(--text);backdrop-filter:blur(10px);}
.btn-ghost:hover{background:rgba(23,224,200,.08);border-color:rgba(23,224,200,.5);color:var(--text);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;line-height:1.7;background:rgba(23,224,200,.12);color:var(--accent);border:1px solid rgba(23,224,200,.28);}
.badge-warm{background:rgba(255,180,61,.13);color:var(--amber);border-color:rgba(255,180,61,.32);}
.tag{display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12px;background:rgba(255,255,255,.07);color:var(--muted);border:1px solid var(--line);}
.status-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;padding:5px 13px;border-radius:999px;}
.status-badge i{width:7px;height:7px;border-radius:50%;display:block;}
.status-badge.ok{color:var(--accent);background:rgba(23,224,200,.12);border:1px solid rgba(23,224,200,.3);}
.status-badge.ok i{background:var(--accent);box-shadow:0 0 0 4px rgba(23,224,200,.16);animation:pulse 2.2s infinite;}
@keyframes pulse{0%,100%{box-shadow:0 0 0 3px rgba(23,224,200,.16);}50%{box-shadow:0 0 0 7px rgba(23,224,200,0);}}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;padding:88px 0 100px;background:var(--bg-2);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-image:url('/assets/images/backpic/back-1.webp');}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,11,31,.95) 0%,rgba(7,11,31,.86) 46%,rgba(7,11,31,.7) 100%);}
.hero-glow{position:absolute;width:520px;height:520px;right:-120px;top:-160px;border-radius:50%;background:radial-gradient(circle,rgba(23,224,200,.22),transparent 68%);filter:blur(10px);}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:56px;align-items:center;}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:1.4px;color:var(--accent);background:rgba(23,224,200,.09);border:1px solid rgba(23,224,200,.24);border-radius:999px;padding:5px 14px;margin-bottom:20px;}
.hero h1{font-size:clamp(28px,3.4vw,46px);line-height:1.3;font-weight:800;color:var(--text);letter-spacing:.8px;margin-bottom:20px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--body);max-width:540px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:38px;}
.hero-points{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid var(--line-soft);padding-top:24px;}
.hero-points li{flex:1 1 150px;padding-right:22px;position:relative;}
.hero-points li+li{border-left:1px solid var(--line-soft);padding-left:22px;}
.hero-points strong{display:block;font-size:22px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums;}
.hero-points span{font-size:13px;color:var(--muted);}
.entry-card{padding:30px;box-shadow:var(--shadow);}
.entry-card-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;flex-wrap:wrap;}
.entry-card h2{font-size:20px;font-weight:800;color:var(--text);margin-bottom:10px;letter-spacing:.5px;}
.entry-card>p{font-size:14.5px;color:var(--muted);margin-bottom:20px;}
.entry-list{margin-bottom:22px;}
.entry-list li{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px dashed var(--line-soft);font-size:15px;color:var(--body);}
.entry-list li:last-child{border-bottom:0;}
.entry-list span{width:30px;height:30px;flex:0 0 auto;border-radius:10px;background:rgba(45,107,255,.16);border:1px solid rgba(45,107,255,.34);color:#9DBBFF;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:center;}
.entry-note{font-size:12.5px;color:var(--weak);margin-top:14px;line-height:1.7;}

/* ============ 通用板块标题 ============ */
.section-head{max-width:780px;margin-bottom:48px;}
.section-title{font-size:clamp(22px,2.4vw,32px);line-height:1.35;font-weight:800;color:var(--text);letter-spacing:.6px;}
.section-desc{margin-top:14px;font-size:16px;color:var(--muted);}
.section-title .hl{color:var(--accent);}

/* ============ 痛点区 ============ */
.pain-layout{display:grid;grid-template-columns:minmax(260px,330px) 1fr;gap:48px;align-items:start;}
.pain-sticky{position:sticky;top:110px;}
.pain-cards.row{max-width:none;margin:0 -12px;}
.pain-cards.row>.column{padding:0 12px;margin-bottom:24px;}
.pain-card{padding:26px;border-radius:var(--radius-card);background:var(--glass);border:1px solid var(--line);height:100%;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.pain-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.32);box-shadow:var(--shadow-lg);}
.pain-card .ico{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(45,107,255,.14);border:1px solid rgba(45,107,255,.3);color:#8FB3FF;font-size:17px;margin-bottom:18px;}
.pain-card h3{font-size:17px;font-weight:700;color:var(--text);margin-bottom:10px;}
.pain-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}
.pain-card.wide{display:grid;grid-template-columns:auto 1fr;gap:20px;align-items:center;background:linear-gradient(120deg,rgba(255,180,61,.11),rgba(255,255,255,.05));border-color:rgba(255,180,61,.28);}
.pain-card.wide .ico{background:rgba(255,180,61,.14);border-color:rgba(255,180,61,.34);color:var(--amber);margin-bottom:0;}

/* ============ 解决方案 ============ */
.solution-row{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center;margin-bottom:88px;}
.solution-row:last-child{margin-bottom:0;}
.solution-row.reverse{grid-template-columns:5fr 7fr;}
.solution-row.reverse .solution-media{order:2;}
.solution-media{border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);}
.solution-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .4s ease;}
.solution-media:hover img{transform:scale(1.03);}
.solution-cap{font-size:13px;color:var(--weak);margin-top:10px;}
.solution-text h3{font-size:clamp(20px,2vw,26px);font-weight:800;color:var(--text);line-height:1.45;margin-bottom:16px;letter-spacing:.5px;}
.solution-text p{font-size:16px;color:var(--body);margin-bottom:18px;}
.check-list li{display:flex;align-items:flex-start;gap:12px;font-size:15px;color:var(--muted);padding:9px 0;}
.check-list i{color:var(--accent);font-size:14px;margin-top:6px;}

/* ============ 数据带 ============ */
.stats-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;padding:40px 34px;}
.stat{padding:10px 6px;text-align:left;border-left:1px solid var(--line-soft);padding-left:24px;}
.stat:first-child{border-left:0;padding-left:6px;}
.stat-num{font-size:clamp(32px,3.4vw,50px);font-weight:800;line-height:1.1;background:linear-gradient(135deg,#2D6BFF,#17E0C8);-webkit-background-clip:text;background-clip:text;color:transparent;font-variant-numeric:tabular-nums;}
.stat-label{font-size:14px;color:var(--muted);margin-top:6px;}
.stats-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px;}

/* ============ 最新信息 ============ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;}
.filter-tabs span{padding:7px 16px;border-radius:999px;font-size:13px;color:var(--muted);border:1px solid var(--line);background:rgba(255,255,255,.04);}
.filter-tabs span.on{color:var(--accent);border-color:rgba(23,224,200,.4);background:rgba(23,224,200,.1);}
.news-grid.row{max-width:none;margin:0 -12px;}
.news-grid.row>.column{padding:0 12px;margin-bottom:24px;}
.news-card{height:100%;display:flex;flex-direction:column;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.news-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.34);box-shadow:var(--shadow-lg);}
.news-cover{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3);}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-cover img{transform:scale(1.03);}
.badge-cover{position:absolute;left:12px;top:12px;background:rgba(7,11,31,.78);border-color:rgba(23,224,200,.4);backdrop-filter:blur(6px);}
.news-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.news-body h3{font-size:17px;font-weight:700;line-height:1.55;margin-bottom:12px;}
.news-body h3 a{color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-body h3 a:hover{color:var(--accent);}
.news-body p{font-size:14.5px;color:var(--muted);line-height:1.8;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--line-soft);font-size:13px;color:var(--weak);}
.news-more{font-size:13px;color:var(--accent);}
.news-more i{font-size:11px;margin-left:4px;}
.empty-state{min-height:260px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:40px;border-radius:var(--radius-card);border:1px dashed var(--line);background:rgba(255,255,255,.03);}
.empty-art{width:120px;height:120px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px;color:var(--weak);background:rgba(45,107,255,.1);border:1px solid var(--line);}
.empty-state p{font-size:15px;color:var(--muted);}

/* ============ 客户证言 ============ */
.voice-grid.row{max-width:none;margin:0 -12px;}
.voice-grid.row>.column{padding:0 12px;margin-bottom:24px;}
.quote-card{padding:32px;height:100%;display:flex;flex-direction:column;border-radius:var(--radius-card);background:var(--glass);border:1px solid var(--line);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;}
.quote-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.3);box-shadow:var(--shadow-lg);}
.quote-card .qmark{font-size:34px;line-height:1;color:rgba(23,224,200,.45);font-weight:800;margin-bottom:14px;}
.quote-card blockquote{margin:0;font-size:17.5px;line-height:1.9;color:var(--text);}
.quote-card .who{margin-top:auto;padding-top:22px;font-size:13.5px;color:var(--muted);}
.quote-card .who strong{display:block;color:var(--text);font-size:14.5px;margin-bottom:2px;}
.quote-card.tall{padding:38px;background:linear-gradient(140deg,rgba(45,107,255,.13),rgba(255,255,255,.05));border-color:rgba(45,107,255,.3);}

/* ============ FAQ ============ */
.faq-list{max-width:920px;margin:0 auto;}
.faq-item{border:1px solid var(--line);background:var(--glass);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item:hover{border-color:rgba(23,224,200,.3);}
.faq-item[open]{border-color:rgba(23,224,200,.36);box-shadow:0 10px 28px rgba(0,0,0,.3),inset 3px 0 0 var(--accent);}
.faq-item summary{list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;line-height:1;color:var(--accent);flex:0 0 auto;transition:transform .2s ease;}
.faq-item[open] summary::after{content:"−";}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.9;}

/* ============ CTA ============ */
.cta-band{position:relative;overflow:hidden;padding:60px 48px;text-align:center;border-radius:var(--radius-panel);background:linear-gradient(135deg,rgba(45,107,255,.18),rgba(23,224,200,.12));border:1px solid var(--line);}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;left:50%;top:-240px;transform:translateX(-50%);border-radius:50%;background:radial-gradient(circle,rgba(23,224,200,.24),transparent 70%);}
.cta-band h2{position:relative;font-size:clamp(22px,2.6vw,32px);font-weight:800;color:var(--text);margin-bottom:14px;letter-spacing:.6px;}
.cta-band p{position:relative;font-size:16px;color:var(--body);max-width:640px;margin:0 auto 28px;}
.cta-actions{position:relative;display:flex;justify-content:center;flex-wrap:wrap;gap:14px;margin-bottom:18px;}
.cta-note{position:relative;font-size:13px;color:var(--muted);}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line-soft);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{width:36px;height:36px;font-size:16px;}
.footer-brand strong{color:var(--text);font-size:16px;font-weight:800;letter-spacing:.5px;}
.footer-col h4{font-size:13px;letter-spacing:1.6px;color:var(--weak);font-weight:700;margin-bottom:18px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.9;}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:var(--accent);padding-left:4px;}
.footer-bottom{border-top:1px solid var(--line-soft);padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--weak);}
.footer-bottom a{color:var(--weak);}
.footer-bottom a:hover{color:var(--accent);}

/* ============ 响应式 ============ */
@media (max-width:1140px){
  .hero-inner{grid-template-columns:1fr;gap:44px;}
  .pain-layout{grid-template-columns:1fr;gap:32px;}
  .pain-sticky{position:static;}
  .solution-row,.solution-row.reverse{grid-template-columns:1fr;gap:28px;margin-bottom:64px;}
  .solution-row.reverse .solution-media{order:0;}
  .stats-band{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(3){border-left:0;padding-left:6px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  .container{padding:0 20px;}
  .nav-toggle{display:flex;}
  .mega-wrap{display:none;}
  .nav-cta{display:none;}
  .main-nav{position:fixed;top:0;right:0;width:84%;max-width:360px;height:100vh;background:#0A1130;border-left:1px solid var(--line);flex-direction:column;align-items:stretch;gap:2px;padding:92px 24px 32px;transform:translateX(100%);transition:transform .28s ease;z-index:120;overflow-y:auto;}
  .main-nav.open{transform:translateX(0);box-shadow:-18px 0 60px rgba(0,0,0,.5);}
  .nav-link{padding:15px 12px;border-radius:10px;font-size:16px;}
  .nav-link:hover{background:rgba(23,224,200,.07);}
  .nav-link.active{background:rgba(23,224,200,.1);color:var(--accent);}
  .nav-link.active::after{display:none;}
  .hero{padding:64px 0 76px;}
  .section{padding:76px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .topbar-inner p{font-size:12.5px;}
  .brand-text strong{font-size:15px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-points li{flex:1 1 100%;border-left:0!important;padding-left:0!important;padding-right:0;padding-bottom:14px;}
  .hero-points li+li{border-top:1px solid var(--line-soft);padding-top:14px;}
  .stats-band{grid-template-columns:1fr;padding:28px 22px;}
  .stat{border-left:0;padding-left:6px;border-top:1px solid var(--line-soft);padding-top:18px;}
  .stat:first-child{border-top:0;padding-top:6px;}
  .cta-band{padding:44px 22px;}
  .cta-actions .btn{width:100%;}
  .section-head{margin-bottom:32px;}
  .footer-grid{grid-template-columns:1fr;}
  .quote-card,.quote-card.tall{padding:24px;}
  .faq-item summary{font-size:16px;padding:17px 18px;}
  .faq-body{padding:0 18px 18px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
}

/* roulang page: article */
:root{
  --bg:#070B1F;
  --bg-2:#0C142E;
  --primary:#2D6BFF;
  --accent:#17E0C8;
  --amber:#FFB43D;
  --title:#EAF0FF;
  --text:#C3CEE8;
  --muted:#8A99BF;
  --weak:#66739A;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.09);
  --line:rgba(140,190,255,.16);
  --line-soft:rgba(140,190,255,.09);
  --r-card:16px;
  --r-panel:18px;
  --r-btn:12px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 18px 44px rgba(0,0,0,.42);
  --container:1240px;
  --t:.22s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(1100px 560px at 82% -12%, rgba(45,107,255,.18), transparent 62%),
    radial-gradient(900px 500px at -5% 22%, rgba(23,224,200,.08), transparent 58%);
  background-attachment:fixed;
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--accent);text-decoration:none;transition:color var(--t),opacity var(--t);}
a:hover{color:#7ff6e8;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{color:var(--title);line-height:1.3;margin:0;}
p{margin:0;}
ul,ol{margin:0;}
a:focus-visible,button:focus-visible,input:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px;}
.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.row{max-width:var(--container);padding:0 17px;}
.article-row{max-width:var(--container);}
.column{padding-left:15px;padding-right:15px;}
.section-pad{padding:88px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);font-weight:800;letter-spacing:.5px;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}

/* ===== 公告条 ===== */
.notice-bar{
  background:linear-gradient(90deg,rgba(45,107,255,.24),rgba(23,224,200,.16));
  border-bottom:1px solid var(--line-soft);
  font-size:13px;
  color:var(--text);
  min-height:38px;
  display:flex;
  align-items:center;
}
.notice-bar.hide{display:none;}
.notice-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:38px;}
.notice-inner p{display:flex;align-items:center;gap:8px;margin:0;}
.notice-inner p i{color:var(--accent);}
.notice-close{background:transparent;border:0;color:var(--muted);padding:4px 8px;border-radius:8px;line-height:1;transition:var(--t);}
.notice-close:hover{color:var(--title);background:rgba(255,255,255,.07);}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(7,11,31,.74);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
  transition:var(--t);
}
.site-header.scrolled{border-bottom-color:var(--line);box-shadow:0 12px 34px rgba(0,0,0,.36);}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04122A;font-weight:800;font-size:20px;
  box-shadow:0 8px 22px rgba(23,224,200,.24);
}
.brand-text strong{display:block;color:var(--title);font-size:17px;font-weight:800;letter-spacing:.6px;line-height:1.2;}
.brand-text em{display:block;font-style:normal;font-size:12px;color:var(--weak);letter-spacing:3px;line-height:1.4;}
.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{position:relative;padding:10px 14px;color:var(--text);font-size:15px;font-weight:600;border-radius:10px;transition:var(--t);}
.nav-link:hover{color:var(--title);background:rgba(255,255,255,.055);}
.nav-link.active{color:var(--title);}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.nav-right{display:flex;align-items:center;gap:12px;}
.mega-wrap{position:relative;}
.mega-trigger{
  display:inline-flex;align-items:center;gap:7px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  font-size:14px;font-weight:600;padding:9px 15px;border-radius:999px;transition:var(--t);
}
.mega-trigger:hover{color:var(--title);border-color:rgba(23,224,200,.4);background:rgba(23,224,200,.08);}
.mega-trigger i{font-size:11px;transition:transform var(--t);}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 16px);width:640px;
  background:rgba(12,20,46,.97);
  border:1px solid var(--line);
  border-radius:var(--r-panel);
  box-shadow:var(--shadow-lg);
  padding:24px;
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity .16s ease,transform .16s ease,visibility .16s;
  backdrop-filter:blur(18px);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;}
.mega-col h4{font-size:13px;color:var(--weak);letter-spacing:2px;font-weight:700;margin-bottom:14px;text-transform:uppercase;}
.mega-col a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  color:var(--text);font-size:14px;font-weight:600;padding:9px 12px;border-radius:10px;transition:var(--t);
}
.mega-col a:hover{color:var(--title);background:rgba(45,107,255,.14);}
.mega-col a i{font-size:11px;color:var(--weak);}
.mega-status{
  background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:16px;
  display:flex;flex-direction:column;gap:12px;
}
.mega-status p{font-size:13px;color:var(--muted);line-height:1.7;}
.status-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;width:fit-content;}
.status-badge i{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor;}
.status-badge.ok{background:rgba(23,224,200,.12);color:#5FF0DA;border:1px solid rgba(23,224,200,.3);}
.status-badge.warn{background:rgba(255,180,61,.12);color:var(--amber);border:1px solid rgba(255,180,61,.32);}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--line);border-radius:10px;
  width:42px;height:40px;padding:0;position:relative;
}
.nav-toggle span{
  position:absolute;left:11px;right:11px;height:2px;border-radius:2px;background:var(--title);transition:var(--t);
}
.nav-toggle span:nth-child(1){top:13px;}
.nav-toggle span:nth-child(2){top:19px;}
.nav-toggle span:nth-child(3){top:25px;}
.nav-toggle.open span:nth-child(1){top:19px;transform:rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){top:19px;transform:rotate(-45deg);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1.2;text-align:center;
  transition:transform var(--t),box-shadow var(--t),filter var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04122A;
  box-shadow:0 0 0 1px rgba(45,107,255,.5),0 10px 30px rgba(23,224,200,.22);
}
.btn-primary:hover{color:#04122A;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,107,255,.6),0 14px 36px rgba(23,224,200,.32);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(45,107,255,.45),0 6px 16px rgba(23,224,200,.2);}
.btn-ghost{background:rgba(255,255,255,.06);border-color:var(--line);color:var(--title);}
.btn-ghost:hover{color:var(--title);border-color:rgba(23,224,200,.45);background:rgba(23,224,200,.09);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{padding:9px 16px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

/* ===== 徽章 / 标签 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;border:1px solid transparent;}
.badge-accent{background:rgba(23,224,200,.12);color:#7FF6E8;border-color:rgba(23,224,200,.3);}
.badge-primary{background:rgba(45,107,255,.16);color:#9DC0FF;border-color:rgba(45,107,255,.36);}
.badge-muted{background:rgba(255,255,255,.06);color:var(--muted);border-color:var(--line);}
.badge-amber{background:rgba(255,180,61,.13);color:var(--amber);border-color:rgba(255,180,61,.32);}

/* ===== 文章头部 ===== */
.article-hero{position:relative;padding:40px 0 44px;overflow:hidden;}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.3;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,11,31,.7) 0%,rgba(7,11,31,.94) 70%,var(--bg) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--weak);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{opacity:.4;}
.article-title{
  font-size:clamp(26px,3.4vw,42px);font-weight:800;line-height:1.28;letter-spacing:.5px;
  color:var(--title);max-width:920px;margin-bottom:20px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--muted);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta .meta-item i{color:var(--accent);font-size:13px;}
.article-cover{
  margin-top:30px;border-radius:18px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);aspect-ratio:16/9;background:var(--bg-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

/* ===== 正文 ===== */
.article-section{padding:64px 0 20px;}
.article-body{max-width:840px;font-size:17px;line-height:1.9;color:var(--text);}
.article-body h2{
  font-size:clamp(21px,2.3vw,26px);font-weight:800;color:var(--title);
  margin:48px 0 18px;padding-left:16px;position:relative;letter-spacing:.4px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:4px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.article-body h3{font-size:20px;font-weight:700;color:var(--title);margin:34px 0 12px;}
.article-body h4{font-size:17px;font-weight:700;color:var(--title);margin:26px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:#7ff6e8;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;}
.article-body ul{list-style:none;padding-left:4px;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:10px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 10px rgba(23,224,200,.6);
}
.article-body ol li{margin-bottom:10px;}
.article-body ol li::marker{color:var(--accent);font-weight:700;}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--glass);
  border-left:3px solid var(--accent);border-radius:0 14px 14px 0;color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:22px 0;border:1px solid var(--line-soft);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--weak);margin-top:8px;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line-soft);text-align:left;}
.article-body th{background:rgba(45,107,255,.13);color:var(--title);font-weight:700;}
.article-body tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.article-body hr{border:0;border-top:1px solid var(--line-soft);margin:36px 0;}

/* ===== 空态 ===== */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:16px;
  padding:64px 24px;min-height:300px;background:var(--glass);border:1px dashed var(--line);border-radius:var(--r-panel);
}
.empty-icon{
  width:96px;height:96px;border-radius:26px;display:grid;place-items:center;
  font-size:34px;color:var(--accent);background:rgba(23,224,200,.08);border:1px solid rgba(23,224,200,.22);
}
.empty-state h2{font-size:20px;}
.empty-state p{color:var(--muted);font-size:15px;max-width:460px;}

/* ===== 侧栏 ===== */
.sidebar{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:22px;backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--title);margin-bottom:16px;
  display:flex;align-items:center;gap:9px;
}
.side-card h3 i{color:var(--accent);font-size:14px;}
.side-list{list-style:none;padding:0;display:flex;flex-direction:column;gap:6px;}
.side-list a{
  display:flex;gap:10px;align-items:flex-start;color:var(--text);font-size:14px;line-height:1.65;
  padding:9px 12px;border-radius:10px;transition:var(--t);
}
.side-list a:hover{color:var(--title);background:rgba(45,107,255,.14);}
.side-list a i{color:var(--weak);font-size:11px;margin-top:7px;}
.side-list .rank{
  flex-shrink:0;width:20px;height:20px;border-radius:6px;display:grid;place-items:center;
  font-size:11px;font-weight:800;background:rgba(45,107,255,.18);color:#9DC0FF;margin-top:4px;
}
.side-entry{display:flex;flex-direction:column;gap:12px;}
.side-entry p{font-size:14px;color:var(--muted);line-height:1.75;}

/* ===== 标签组 ===== */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:44px;padding-top:24px;border-top:1px solid var(--line-soft);
}
.tag-label{font-size:13px;color:var(--weak);display:inline-flex;align-items:center;gap:7px;}
.tag{
  display:inline-flex;align-items:center;padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;color:var(--text);
  background:rgba(255,255,255,.05);border:1px solid var(--line);transition:var(--t);
}
.tag:hover{color:var(--title);border-color:rgba(23,224,200,.42);background:rgba(23,224,200,.09);transform:translateY(-1px);}
.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ===== 相关推荐 ===== */
.related-section{padding:24px 0 88px;}
.card-grid{display:grid;gap:22px;grid-template-columns:repeat(3,1fr);}
.content-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.content-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.3);box-shadow:var(--shadow-lg);}
.card-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.content-card:hover .card-media img{transform:scale(1.03);}
.card-badge{position:absolute;top:12px;left:12px;}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-body h3{font-size:16px;font-weight:700;line-height:1.5;}
.card-body h3 a{color:var(--title);}
.card-body h3 a:hover{color:var(--accent);}
.card-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--weak);padding-top:8px;border-top:1px solid var(--line-soft);}

/* ===== CTA ===== */
.cta-band{padding:0 0 96px;}
.cta-box{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:40px 44px;border-radius:22px;
  background:linear-gradient(135deg,rgba(45,107,255,.18),rgba(23,224,200,.1));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  position:relative;overflow:hidden;
}
.cta-box::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,200,.22),transparent 68%);
}
.cta-box h2{font-size:clamp(20px,2.4vw,27px);font-weight:800;margin-bottom:10px;position:relative;z-index:2;}
.cta-box p{color:var(--muted);font-size:15px;max-width:620px;position:relative;z-index:2;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}

/* ===== 页脚 ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(12,20,46,.62),rgba(7,11,31,1));
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{width:38px;height:38px;font-size:18px;border-radius:11px;}
.footer-brand strong{color:var(--title);font-size:16px;font-weight:800;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--title);margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;}
.footer-col a{display:block;font-size:14px;color:var(--muted);margin-bottom:11px;transition:var(--t);}
.footer-col a:hover{color:var(--accent);transform:translateX(2px);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:46px;padding-top:20px;border-top:1px solid var(--line-soft);
  font-size:13px;color:var(--weak);
}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .mega-panel{width:580px;}
}
@media (max-width:1023px){
  .container{padding:0 22px;}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:rgba(9,14,34,.98);backdrop-filter:blur(18px);
    border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:6px;
    padding:88px 22px 32px;z-index:90;
    transform:translateX(100%);transition:transform .26s ease;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .nav-link{padding:14px 12px;font-size:16px;border-radius:12px;}
  .nav-link.active::after{left:12px;right:auto;width:22px;bottom:8px;}
  .mega-wrap,.nav-cta{display:none;}
  .nav-toggle{display:block;z-index:95;}
  .sidebar{position:static;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .section-pad{padding:60px 0;}
  .article-hero{padding:28px 0 32px;}
  .article-body{font-size:16px;line-height:1.85;}
  .article-body h2{margin-top:38px;}
  .article-section{padding:44px 0 12px;}
  .related-section{padding:16px 0 64px;}
  .cta-band{padding:0 0 68px;}
  .cta-box{padding:30px 24px;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .site-footer{padding:48px 0 24px;}
}
@media (max-width:519px){
  .container{padding:0 18px;}
  .brand-text strong{font-size:15px;}
  .brand-text em{letter-spacing:2px;}
  .article-title{letter-spacing:.2px;}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg:#070B1F;
  --bg-2:#0C142E;
  --bg-3:#0A1030;
  --primary:#2D6BFF;
  --primary-2:#5B8CFF;
  --accent:#17E0C8;
  --amber:#FFB43D;
  --text:#EAF0FF;
  --text-2:#C3CEE8;
  --text-3:#8A99BF;
  --text-4:#66739A;
  --line:rgba(140,190,255,.16);
  --line-2:rgba(140,190,255,.10);
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.035);
  --radius:16px;
  --radius-lg:18px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 18px 44px rgba(0,0,0,.42);
  --glow:0 0 0 1px rgba(45,107,255,.5),0 10px 30px rgba(23,224,200,.22);
  --ease:200ms cubic-bezier(.4,0,.2,1);
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:96px;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 12% -6%,rgba(45,107,255,.20),transparent 62%),
    radial-gradient(760px 460px at 92% 4%,rgba(23,224,200,.12),transparent 60%);
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--text);text-decoration:none;transition:color var(--ease),border-color var(--ease);}
a:hover{color:var(--accent);}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.28;letter-spacing:.4px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:1;}
.row{max-width:none;margin-left:-12px;margin-right:-12px;}
.column,.columns{padding-left:12px;padding-right:12px;}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 10px 0;z-index:200;}
.skip-link:focus{left:0;color:#fff;}

/* 公告条 */
.notice-bar{background:linear-gradient(90deg,rgba(45,107,255,.24),rgba(23,224,200,.14));border-bottom:1px solid var(--line);position:relative;z-index:60;}
.notice-inner{display:flex;align-items:center;gap:14px;min-height:40px;}
.notice-inner p{margin:0;font-size:13px;color:var(--text-2);flex:1;line-height:1.6;}
.notice-inner p i{color:var(--accent);margin-right:6px;}
.notice-close{background:transparent;border:1px solid transparent;color:var(--text-3);width:28px;height:28px;border-radius:8px;cursor:pointer;transition:color var(--ease),border-color var(--ease),background var(--ease);flex:none;}
.notice-close:hover{color:var(--accent);border-color:var(--line);background:var(--glass);}
.notice-bar.hidden{display:none;}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:90;background:rgba(7,11,31,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--line-2);transition:border-color var(--ease),background var(--ease);}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(7,11,31,.95);}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:none;}
.brand-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:var(--glow);letter-spacing:0;}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:16px;color:var(--text);font-weight:800;letter-spacing:.6px;}
.brand-text em{font-style:normal;font-size:11px;color:var(--text-3);letter-spacing:2px;}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;}
.nav-link{position:relative;font-size:15px;font-weight:600;color:var(--text-2);padding:10px 14px;border-radius:10px;transition:color var(--ease),background var(--ease);}
.nav-link:hover{color:var(--text);background:var(--glass-2);}
.nav-link.active{color:var(--text);}
.nav-link.active::after{content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);}
.nav-right{display:flex;align-items:center;gap:14px;flex:none;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;cursor:pointer;font-weight:600;border-radius:var(--radius-sm);transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);text-align:center;line-height:1.4;}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#04122A;box-shadow:var(--glow);}
.btn-primary:hover{color:#04122A;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,107,255,.6),0 14px 34px rgba(23,224,200,.3);}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(45,107,255,.5),0 6px 16px rgba(23,224,200,.18);}
.btn-ghost{background:var(--glass);color:var(--text);border:1px solid var(--line);backdrop-filter:blur(12px);}
.btn-ghost:hover{color:var(--text);border-color:rgba(23,224,200,.45);transform:translateY(-1px);}
.btn-lg{padding:15px 30px;font-size:16px;}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-block{width:100%;}
.nav-cta{padding:9px 20px;}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;background:var(--glass);border:1px solid var(--line);cursor:pointer;padding:0 11px;}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Mega 面板 */
.mega-wrap{position:relative;}
.mega-trigger{display:inline-flex;align-items:center;gap:8px;background:var(--glass);border:1px solid var(--line);color:var(--text);font-size:14px;font-weight:600;padding:9px 16px;border-radius:var(--radius-sm);cursor:pointer;transition:border-color var(--ease),color var(--ease),background var(--ease);}
.mega-trigger i{font-size:11px;color:var(--accent);transition:transform var(--ease);}
.mega-trigger:hover{border-color:rgba(23,224,200,.4);}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg);}
.mega-panel{position:absolute;top:calc(100% + 12px);right:0;width:620px;background:rgba(10,16,48,.97);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:24px;opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity 160ms ease,transform 160ms ease,visibility 160ms;backdrop-filter:blur(18px);}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0);}
.mega-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:22px;}
.mega-col h4{font-size:13px;color:var(--text-3);letter-spacing:1.4px;font-weight:600;margin-bottom:12px;text-transform:uppercase;}
.mega-col a{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:14px;color:var(--text-2);padding:10px 12px;border-radius:10px;transition:background var(--ease),color var(--ease);}
.mega-col a i{font-size:11px;color:var(--text-4);transition:transform var(--ease),color var(--ease);}
.mega-col a:hover{background:var(--glass);color:var(--text);}
.mega-col a:hover i{color:var(--accent);transform:translateX(3px);}
.mega-status{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:16px;}
.mega-status p{font-size:13px;color:var(--text-3);line-height:1.7;margin:10px 0 14px;}
.status-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;}
.status-badge i{width:7px;height:7px;border-radius:50%;background:currentColor;display:block;}
.status-badge.ok{color:var(--accent);background:rgba(23,224,200,.12);border:1px solid rgba(23,224,200,.3);}
.status-badge.warn{color:var(--amber);background:rgba(255,180,61,.12);border:1px solid rgba(255,180,61,.32);}
.status-badge.mute{color:var(--text-3);background:var(--glass);border:1px solid var(--line);}

/* 页面 Banner */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-2);}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.62;}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(7,11,31,.94) 8%,rgba(7,11,31,.78) 58%,rgba(7,11,31,.9));}
.hero-inner{position:relative;z-index:2;padding:64px 20px 60px;}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb span.sep{opacity:.4;}
.breadcrumb .current{color:var(--text-2);}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:600;letter-spacing:1px;padding:6px 14px;border-radius:999px;color:var(--accent);background:rgba(23,224,200,.1);border:1px solid rgba(23,224,200,.28);margin-bottom:18px;}
.page-hero h1{font-size:clamp(26px,3.4vw,44px);max-width:820px;margin-bottom:16px;}
.page-hero .hero-sub{font-size:17px;color:var(--text-2);max-width:680px;line-height:1.8;}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px 26px;margin-top:26px;}
.hero-meta div{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.hero-meta div i{color:var(--primary-2);}

/* 通用板块 */
.section{padding:88px 0;position:relative;z-index:1;}
.section.tight{padding:64px 0;}
.section-alt{background:linear-gradient(180deg,rgba(12,20,46,.72),rgba(7,11,31,0));border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2);}
.section-head{max-width:760px;margin-bottom:42px;}
.section-head h2{font-size:clamp(22px,2.4vw,31px);margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--text-3);line-height:1.85;}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--primary-2);font-weight:600;margin-bottom:12px;text-transform:uppercase;}

/* 左目录右内容 */
.toc-sticky{position:sticky;top:104px;}
.toc-box{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 20px;backdrop-filter:blur(14px);}
.toc-box h4{font-size:13px;letter-spacing:1.6px;color:var(--text-3);font-weight:600;margin-bottom:14px;}
.toc-box a{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-2);padding:9px 10px;border-radius:10px;border-left:2px solid transparent;transition:background var(--ease),color var(--ease),border-color var(--ease);}
.toc-box a::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--text-4);flex:none;transition:background var(--ease);}
.toc-box a:hover{background:var(--glass-2);color:var(--text);border-left-color:var(--accent);}
.toc-box a:hover::before{background:var(--accent);}
.toc-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-2);font-size:13px;color:var(--text-4);line-height:1.75;}
.lead-panel{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;backdrop-filter:blur(14px);margin-bottom:24px;}
.lead-panel p{font-size:16.5px;color:var(--text-2);line-height:1.9;margin-bottom:14px;}
.lead-panel p:last-child{margin-bottom:0;}
.lead-panel strong{color:var(--text);font-weight:700;}
.inline-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px;}

/* 内容卡片 */
.card-grid{margin-top:6px;}
.info-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:26px;height:100%;transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);display:flex;flex-direction:column;}
.info-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.35);box-shadow:var(--shadow);}
.info-card h3{font-size:19px;margin-bottom:12px;}
.info-card p{font-size:15.5px;color:var(--text-3);line-height:1.85;flex:1;}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;}
.chip{font-size:12px;padding:4px 11px;border-radius:999px;background:rgba(45,107,255,.14);border:1px solid rgba(45,107,255,.3);color:var(--primary-2);}
.chip.teal{background:rgba(23,224,200,.12);border-color:rgba(23,224,200,.3);color:var(--accent);}
.chip.amber{background:rgba(255,180,61,.12);border-color:rgba(255,180,61,.3);color:var(--amber);}
.card-list{margin-top:18px;display:grid;gap:10px;}
.card-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-3);line-height:1.75;}
.card-list li i{color:var(--accent);font-size:12px;margin-top:8px;flex:none;}
.info-card.wide{flex-direction:row;align-items:center;gap:30px;}
.info-card.wide .wide-media{flex:0 0 44%;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);}
.info-card.wide .wide-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.info-card.wide:hover .wide-media img{transform:scale(1.03);}
.info-card.wide .wide-body{flex:1;}
.caption{font-size:13px;color:var(--text-4);margin-top:10px;}

/* 步骤 */
.steps{display:grid;gap:18px;grid-template-columns:repeat(4,1fr);}
.step-item{position:relative;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:transform var(--ease),border-color var(--ease);}
.step-item:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.35);}
.step-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:2px;margin-bottom:14px;display:block;}
.step-item h3{font-size:17px;margin-bottom:10px;}
.step-item p{font-size:14.5px;color:var(--text-3);line-height:1.8;}
.step-item::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:38%;border-radius:2px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:.7;}

/* 数据带 */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-lg);padding:34px 30px;backdrop-filter:blur(14px);}
.stat-item{border-left:1px solid var(--line-2);padding-left:20px;}
.stat-item:first-child{border-left:none;padding-left:0;}
.stat-num{font-size:clamp(30px,3.4vw,46px);font-weight:800;background:linear-gradient(135deg,var(--primary-2),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;letter-spacing:-.5px;}
.stat-label{font-size:13.5px;color:var(--text-3);margin-top:10px;line-height:1.7;}

/* 相关文章位 */
.mini-list{display:grid;gap:16px;}
.mini-item{display:flex;gap:20px;align-items:center;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:border-color var(--ease),transform var(--ease),background var(--ease);}
.mini-item:hover{border-color:rgba(23,224,200,.35);transform:translateY(-2px);background:rgba(255,255,255,.075);}
.mini-thumb{flex:0 0 150px;border-radius:12px;overflow:hidden;border:1px solid var(--line);}
.mini-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.mini-item:hover .mini-thumb img{transform:scale(1.04);}
.mini-body{flex:1;min-width:0;}
.mini-body h3{font-size:17px;margin:8px 0 8px;transition:color var(--ease);}
.mini-item:hover .mini-body h3{color:var(--primary-2);}
.mini-body p{font-size:14.5px;color:var(--text-3);line-height:1.78;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:10px;font-size:13px;color:var(--text-4);}
.mini-meta i{margin-right:5px;color:var(--primary-2);}
.mini-arrow{flex:none;color:var(--text-4);font-size:14px;transition:transform var(--ease),color var(--ease);}
.mini-item:hover .mini-arrow{color:var(--accent);transform:translateX(4px);}

/* 提示卡 */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px;}
.tip-card{border-radius:var(--radius);padding:22px 24px;border:1px solid var(--line);background:var(--glass-2);}
.tip-card h4{font-size:16px;margin-bottom:10px;display:flex;align-items:center;gap:9px;}
.tip-card p{font-size:14.5px;color:var(--text-3);line-height:1.8;}
.tip-card.info{border-left:3px solid var(--primary);}
.tip-card.info h4 i{color:var(--primary-2);}
.tip-card.warn{border-left:3px solid var(--amber);}
.tip-card.warn h4 i{color:var(--amber);}
.tip-card.ok{border-left:3px solid var(--accent);}
.tip-card.ok h4 i{color:var(--accent);}

/* FAQ */
.faq-list{max-width:900px;}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:14px;transition:border-color var(--ease),background var(--ease);overflow:hidden;}
.faq-item[open]{border-color:rgba(23,224,200,.32);background:rgba(255,255,255,.065);}
.faq-item summary{cursor:pointer;list-style:none;padding:19px 24px;font-size:17px;font-weight:600;color:var(--text);display:flex;align-items:center;justify-content:space-between;gap:18px;transition:color var(--ease);}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--accent);}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--accent);flex:none;transition:transform var(--ease);}
.faq-item[open] summary::after{content:"–";}
.faq-body{padding:0 24px 22px 24px;margin-left:24px;border-left:3px solid var(--accent);}
.faq-body p{font-size:15px;color:var(--text-3);line-height:1.85;}

/* CTA */
.cta-band{background:linear-gradient(135deg,rgba(45,107,255,.20),rgba(23,224,200,.10)),var(--glass);border:1px solid rgba(23,224,200,.22);border-radius:var(--radius-lg);padding:52px 48px;text-align:center;position:relative;overflow:hidden;backdrop-filter:blur(16px);}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(23,224,200,.22),transparent 68%);top:-200px;right:-120px;pointer-events:none;}
.cta-band h2{font-size:clamp(23px,2.6vw,33px);margin-bottom:16px;position:relative;}
.cta-band p{font-size:16px;color:var(--text-2);max-width:620px;margin:0 auto 28px;position:relative;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative;}
.cta-note{margin-top:20px;font-size:13px;color:var(--text-4);position:relative;}
.cta-note i{color:var(--amber);margin-right:6px;}

/* 页脚 */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(12,20,46,.6),rgba(7,11,31,.98));padding:64px 0 30px;margin-top:0;position:relative;z-index:1;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px;}
.footer-brand strong{font-size:15.5px;color:var(--text);font-weight:700;}
.footer-col p{font-size:14px;color:var(--text-3);line-height:1.85;}
.footer-col h4{font-size:14px;color:var(--text);margin-bottom:16px;letter-spacing:1px;}
.footer-col a{display:block;font-size:14px;color:var(--text-3);padding:6px 0;transition:color var(--ease),transform var(--ease);}
.footer-col a:hover{color:var(--accent);transform:translateX(3px);}
.footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--line-2);display:flex;flex-wrap:wrap;gap:10px 26px;justify-content:space-between;font-size:13px;color:var(--text-4);}

/* 响应式 */
@media (max-width:1023px){
  .nav-wrap{gap:16px;min-height:66px;}
  .main-nav{position:fixed;top:0;right:0;bottom:0;width:min(350px,86vw);background:#0A1030;flex-direction:column;align-items:stretch;gap:0;padding:92px 24px 40px;transform:translateX(102%);transition:transform .28s ease;box-shadow:-24px 0 60px rgba(0,0,0,.55);border-left:1px solid var(--line);overflow-y:auto;z-index:95;}
  .main-nav.open{transform:none;}
  .nav-link{padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line-2);border-radius:0;}
  .nav-link.active::after{display:none;}
  .nav-link.active{color:var(--accent);}
  .mega-wrap{display:none;}
  .nav-cta{display:none;}
  .nav-toggle{display:flex;}
  .nav-cta-mobile{display:inline-flex;margin-top:24px;}
  .toc-sticky{position:static;margin-bottom:26px;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .stat-band{grid-template-columns:repeat(2,1fr);gap:26px;}
  .stat-item:nth-child(3){border-left:none;padding-left:0;}
  .tips-grid{grid-template-columns:1fr;}
  .info-card.wide{flex-direction:column;gap:20px;}
  .info-card.wide .wide-media{flex:none;width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .section{padding:68px 0;}
  .cta-band{padding:42px 26px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .hero-inner{padding:44px 16px 48px;}
  .page-hero h1{font-size:26px;}
  .page-hero .hero-sub{font-size:15.5px;}
  .brand-text strong{font-size:14.5px;}
  .brand-text em{display:none;}
  .section{padding:56px 0;}
  .steps{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr;padding:26px 22px;}
  .stat-item{border-left:none;padding-left:0;border-top:1px solid var(--line-2);padding-top:18px;}
  .stat-item:first-child{border-top:none;padding-top:0;}
  .mini-item{flex-direction:column;align-items:flex-start;gap:14px;}
  .mini-thumb{flex:none;width:100%;}
  .mini-arrow{display:none;}
  .footer-grid{grid-template-columns:1fr;}
  .lead-panel{padding:22px 20px;}
  .info-card{padding:22px;}
  .faq-item summary{font-size:16px;padding:16px 18px;}
  .faq-body{margin-left:18px;padding:0 18px 20px 18px;}
  .cta-band{padding:34px 20px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}
@media (min-width:1024px){
  .nav-cta-mobile{display:none;}
}

/* roulang page: category2 */
:root{
  --bg:#070B1F;
  --bg-2:#0C142E;
  --panel:rgba(255,255,255,.055);
  --panel-2:rgba(255,255,255,.085);
  --line:rgba(140,190,255,.16);
  --line-strong:rgba(140,190,255,.32);
  --primary:#2D6BFF;
  --accent:#17E0C8;
  --warn:#FFB43D;
  --text:#EAF0FF;
  --body:#C3CEE8;
  --muted:#8A99BF;
  --dim:#66739A;
  --r-card:16px;
  --r-panel:18px;
  --r-btn:12px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-hover:0 16px 40px rgba(0,0,0,.42);
  --glow:0 0 0 1px rgba(45,107,255,.5),0 10px 30px rgba(23,224,200,.22);
  --container:1240px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--body);
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 82% -8%, rgba(45,107,255,.20), transparent 62%),
    radial-gradient(760px 480px at 6% 12%, rgba(23,224,200,.10), transparent 60%),
    linear-gradient(180deg,#070B1F 0%,#080D24 45%,#070B1F 100%);
  z-index:-2;
}
img{max-width:100%;display:block;height:auto;border-radius:14px}
a{color:var(--text);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--accent)}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 14px;color:var(--text);font-weight:800;line-height:1.25;letter-spacing:.5px}
h1{font-size:clamp(26px,4vw,46px)}
h2{font-size:clamp(22px,2.6vw,32px)}
h3{font-size:20px;font-weight:700}
h4{font-size:16px;font-weight:700}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media (min-width:1024px){.container{padding:0 32px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;letter-spacing:.4px;cursor:pointer;
  transition:transform .2s ease,box-shadow .22s ease,background .22s ease,border-color .22s ease,color .22s ease;
  text-align:center;line-height:1.2;
}
.btn-primary{background:linear-gradient(135deg,#2D6BFF 0%,#17E0C8 100%);color:#04101F;box-shadow:var(--glow)}
.btn-primary:hover{color:#04101F;filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,107,255,.65),0 14px 34px rgba(23,224,200,.3)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(45,107,255,.45),0 6px 16px rgba(23,224,200,.2)}
.btn-ghost{background:rgba(255,255,255,.05);border-color:var(--line-strong);color:var(--text);backdrop-filter:blur(12px)}
.btn-ghost:hover{color:var(--accent);border-color:rgba(23,224,200,.55);transform:translateY(-1px);background:rgba(23,224,200,.08)}
.btn-warn{background:rgba(255,180,61,.12);border-color:rgba(255,180,61,.45);color:var(--warn)}
.btn-warn:hover{color:#08131f;background:var(--warn);border-color:var(--warn)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn-lg{padding:16px 32px;font-size:16px}
.btn-block{display:flex;width:100%}

/* ---------- 徽章 / 标签 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px}
.badge-accent{background:rgba(23,224,200,.12);color:var(--accent);border:1px solid rgba(23,224,200,.32)}
.badge-primary{background:rgba(45,107,255,.14);color:#9CBBFF;border:1px solid rgba(45,107,255,.35)}
.badge-warn{background:rgba(255,180,61,.12);color:var(--warn);border:1px solid rgba(255,180,61,.35)}
.badge-muted{background:rgba(255,255,255,.05);color:var(--muted);border:1px solid var(--line)}

.status-badge{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;padding:5px 12px;border-radius:999px}
.status-badge i{width:7px;height:7px;border-radius:50%;display:inline-block}
.status-badge.ok{background:rgba(23,224,200,.12);color:var(--accent);border:1px solid rgba(23,224,200,.3)}
.status-badge.ok i{background:var(--accent);box-shadow:0 0 0 4px rgba(23,224,200,.16)}
.status-badge.warn{background:rgba(255,180,61,.12);color:var(--warn);border:1px solid rgba(255,180,61,.3)}
.status-badge.warn i{background:var(--warn);box-shadow:0 0 0 4px rgba(255,180,61,.16)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,31,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background .25s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(7,11,31,.92)}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2D6BFF,#17E0C8);
  color:#04101F;font-weight:800;font-size:19px;
  box-shadow:0 6px 18px rgba(23,224,200,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:var(--text);font-size:16px;font-weight:800;letter-spacing:.5px}
.brand-text em{font-style:normal;font-size:11px;color:var(--muted);letter-spacing:2px}
.main-nav{display:none;align-items:center;gap:4px;margin-left:14px}
.nav-link{
  position:relative;padding:10px 14px;font-size:15px;font-weight:600;color:var(--body);
  border-radius:10px;transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,#2D6BFF,#17E0C8);
}
.nav-right{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-cta{display:none}
.nav-toggle{
  display:inline-flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:42px;padding:0 11px;border-radius:11px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);cursor:pointer;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--text);transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Mega 面板 */
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;padding:9px 15px;border-radius:11px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--body);
  font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease;
}
.mega-trigger:hover,.mega-wrap:focus-within .mega-trigger{color:var(--accent);border-color:rgba(23,224,200,.4)}
.mega-trigger i{font-size:11px;transition:transform .2s ease}
.mega-wrap:hover .mega-trigger i,.mega-wrap:focus-within .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:620px;
  background:rgba(12,20,46,.96);border:1px solid var(--line);border-radius:var(--r-panel);
  box-shadow:0 24px 60px rgba(0,0,0,.5);padding:22px;
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
  backdrop-filter:blur(18px);
}
.mega-wrap:hover .mega-panel,.mega-wrap:focus-within .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:22px}
.mega-col h4{font-size:13px;color:var(--dim);letter-spacing:1.6px;margin-bottom:12px;font-weight:600}
.mega-col a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--body);
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.mega-col a:hover{background:rgba(45,107,255,.12);color:var(--text);transform:translateX(2px)}
.mega-col a i{font-size:11px;opacity:.5}
.mega-status{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.mega-status p{font-size:13px;color:var(--muted);margin:10px 0 14px;line-height:1.7}

/* ---------- 页面横幅 ---------- */
.page-banner{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  min-height:300px;display:flex;align-items:center;
  background-image:linear-gradient(115deg,rgba(7,11,31,.94) 0%,rgba(7,11,31,.72) 52%,rgba(7,11,31,.88) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 340px at 88% 18%, rgba(45,107,255,.30), transparent 66%);
  pointer-events:none;
}
.page-banner .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--dim);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{opacity:.4}
.banner-tag{display:inline-flex;align-items:center;gap:8px;margin-bottom:16px}
.page-banner h1{max-width:820px;margin-bottom:16px}
.page-banner h1 .hl{
  background:linear-gradient(120deg,#2D6BFF,#17E0C8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.banner-sub{max-width:660px;font-size:17px;color:var(--body);margin-bottom:26px}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.banner-stats{display:flex;flex-wrap:wrap;gap:26px}
.banner-stats .stat{min-width:120px}
.banner-stats .stat b{display:block;font-size:20px;color:var(--text);font-weight:800;letter-spacing:.5px}
.banner-stats .stat small{font-size:12.5px;color:var(--muted);letter-spacing:.6px}

/* ---------- 锚点标签条 ---------- */
.anchor-bar{
  position:sticky;top:72px;z-index:50;
  background:rgba(8,13,36,.9);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.anchor-scroll{display:flex;gap:10px;overflow-x:auto;padding:13px 0;scrollbar-width:thin}
.anchor-scroll::-webkit-scrollbar{height:4px}
.anchor-scroll::-webkit-scrollbar-thumb{background:var(--line-strong);border-radius:4px}
.anchor-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:var(--panel);font-size:14px;font-weight:600;color:var(--body);
  transition:all .2s ease;white-space:nowrap;
}
.anchor-chip i{font-size:12px;opacity:.7}
.anchor-chip:hover,.anchor-chip:focus-visible{color:var(--accent);border-color:rgba(23,224,200,.45);background:rgba(23,224,200,.08);transform:translateY(-1px)}

/* ---------- 板块通用 ---------- */
.section{padding:72px 0}
@media (min-width:1024px){.section{padding:104px 0}}
.section-head{max-width:720px;margin-bottom:40px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:2px;color:var(--accent);text-transform:uppercase;margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--muted);margin-bottom:0}
.section-alt{background:linear-gradient(180deg,rgba(12,20,46,.72) 0%,rgba(12,20,46,.28) 100%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

/* ---------- 瀑布不等高块 ---------- */
.masonry{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.masonry{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.masonry{grid-template-columns:repeat(12,1fr)}}
.m-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:24px;backdrop-filter:blur(14px);box-shadow:var(--shadow);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
  display:flex;flex-direction:column;
}
.m-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.32);box-shadow:var(--shadow-hover)}
.m-card .m-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(45,107,255,.16);border:1px solid rgba(45,107,255,.32);
  color:#9CBBFF;font-size:18px;margin-bottom:16px;
}
.m-card h3{margin-bottom:10px}
.m-card p{font-size:15px;color:var(--muted);margin-bottom:16px}
.m-list li{position:relative;padding-left:18px;font-size:14.5px;color:var(--body);margin-bottom:9px}
.m-list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(23,224,200,.14)}
.m-card .m-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.m-card figure{margin:0 0 18px;overflow:hidden;border-radius:14px}
.m-card figure img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.m-card:hover figure img{transform:scale(1.03)}
.m-card figcaption{font-size:13px;color:var(--dim);margin-top:8px;line-height:1.6}
.span-4{grid-column:span 1}
.span-6{grid-column:span 1}
@media (min-width:1024px){
  .span-4{grid-column:span 4}
  .span-6{grid-column:span 6}
}
.m-card.wide{flex-direction:column}
@media (min-width:1024px){
  .m-card.wide{display:grid;grid-template-columns:1.05fr 1fr;gap:26px;align-items:center}
  .m-card.wide figure{margin:0}
}

/* ---------- 验证方式对照 ---------- */
.verify-list{display:grid;grid-template-columns:1fr;gap:24px}
@media (min-width:1024px){.verify-list{grid-template-columns:repeat(2,1fr)}}
.verify-box{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  padding:8px 6px;backdrop-filter:blur(12px);
}
.verify-row{
  display:flex;gap:16px;align-items:flex-start;padding:18px 18px;border-radius:12px;
  transition:background .2s ease;
}
.verify-row:hover{background:rgba(255,255,255,.04)}
.verify-row + .verify-row{border-top:1px solid var(--line)}
.verify-row .vr-icon{
  flex:0 0 auto;width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:rgba(23,224,200,.1);border:1px solid rgba(23,224,200,.28);color:var(--accent);font-size:16px;
}
.verify-row .vr-body{flex:1 1 auto;min-width:0}
.verify-row h4{margin-bottom:6px;font-size:16px}
.verify-row p{font-size:14.5px;color:var(--muted);margin:0}
.verify-row .vr-tag{flex:0 0 auto;align-self:center}

/* ---------- 流程进度 ---------- */
.flow{display:grid;grid-template-columns:1fr;gap:20px;counter-reset:step}
@media (min-width:640px){.flow{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.flow{grid-template-columns:repeat(4,1fr)}}
.flow-item{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-card);padding:26px 22px 22px;backdrop-filter:blur(12px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.flow-item:hover{transform:translateY(-4px);border-color:rgba(45,107,255,.4);box-shadow:var(--shadow-hover)}
.flow-item .step-no{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2D6BFF,#17E0C8);color:#04101F;font-weight:800;font-size:15px;
  margin-bottom:16px;box-shadow:0 6px 16px rgba(23,224,200,.22);
}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14.5px;color:var(--muted);margin:0}
.flow-item::after{
  content:"";position:absolute;right:-11px;top:44px;width:20px;height:1px;
  background:linear-gradient(90deg,rgba(23,224,200,.6),transparent);display:none;
}
@media (min-width:1024px){.flow-item:not(:last-child)::after{display:block}}

/* ---------- 相关文章 ---------- */
.rel-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.rel-grid{grid-template-columns:repeat(2,1fr)}}
.rel-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-panel);
  overflow:hidden;display:flex;flex-direction:column;backdrop-filter:blur(12px);
  box-shadow:var(--shadow);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.3);box-shadow:var(--shadow-hover)}
.rel-thumb{position:relative;overflow:hidden}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:0;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.03)}
.rel-thumb .badge{position:absolute;left:14px;top:14px;background:rgba(7,11,31,.82);border:1px solid var(--line-strong);color:var(--accent)}
.rel-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto}
.rel-body h3{font-size:18px;margin-bottom:10px;transition:color .2s ease}
.rel-card:hover .rel-body h3{color:var(--accent)}
.rel-body p{font-size:14.5px;color:var(--muted);margin-bottom:16px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--dim);border-top:1px solid var(--line);padding-top:14px}
.rel-meta .go{display:inline-flex;align-items:center;gap:6px;color:var(--muted)}
.rel-card:hover .rel-meta .go{color:var(--accent)}
.rel-wide{grid-column:1/-1}
@media (min-width:768px){
  .rel-wide{display:grid;grid-template-columns:.95fr 1.05fr;align-items:stretch}
  .rel-wide .rel-thumb img{height:100%;aspect-ratio:auto;min-height:250px}
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:1fr;gap:16px;max-width:940px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-card);
  backdrop-filter:blur(12px);overflow:hidden;transition:border-color .22s ease,background .22s ease;
}
.faq-item[open]{border-color:rgba(23,224,200,.34);background:var(--panel-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 54px 20px 22px;position:relative;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:13px;color:var(--accent);transition:transform .22s ease;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item summary:hover{color:var(--accent)}
.faq-body{padding:0 22px 22px 22px;border-left:3px solid var(--accent);margin-left:22px;padding-left:18px}
.faq-body p{font-size:15px;color:var(--muted);margin:0}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 88px}
.cta-inner{
  position:relative;overflow:hidden;border-radius:24px;border:1px solid var(--line-strong);
  background-image:linear-gradient(120deg,rgba(7,11,31,.92) 0%,rgba(9,16,40,.74) 55%,rgba(7,11,31,.9) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  padding:52px 32px;text-align:center;box-shadow:var(--shadow);
}
.cta-inner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(520px 260px at 50% 0%, rgba(23,224,200,.20), transparent 68%);
  pointer-events:none;
}
.cta-inner > *{position:relative;z-index:2}
.cta-inner h2{margin-bottom:14px}
.cta-inner p{max-width:640px;margin:0 auto 28px;color:var(--body);font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-bottom:18px}
.cta-note{font-size:13px;color:var(--dim);margin:0}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:rgba(6,10,26,.86);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px;padding-bottom:44px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.1fr}}
.footer-col h4{font-size:14px;letter-spacing:1.4px;color:var(--text);margin-bottom:16px}
.footer-col a{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:17px;border-radius:10px}
.footer-brand strong{color:var(--text);font-size:15.5px;font-weight:800;letter-spacing:.4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--line);padding:22px 0 28px;font-size:13px;color:var(--dim);
}

/* ---------- 移动端抽屉 ---------- */
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(86vw,340px);
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    padding:88px 20px 32px;
    background:rgba(9,14,34,.98);border-left:1px solid var(--line);
    transform:translateX(102%);transition:transform .28s ease;
    box-shadow:-20px 0 50px rgba(0,0,0,.5);z-index:70;
    display:flex;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav .nav-link{padding:14px 16px;font-size:16px;border-radius:12px;background:rgba(255,255,255,.03)}
  .main-nav .nav-link.active::after{left:16px;right:auto;width:22px}
  .mega-panel{
    position:static;width:100%;opacity:1;visibility:visible;transform:none;
    display:none;box-shadow:none;background:rgba(255,255,255,.03);margin-top:10px;
  }
  .mega-wrap.open .mega-panel{display:block}
  .mega-grid{grid-template-columns:1fr}
  .mega-trigger{width:100%;justify-content:space-between}
}
@media (min-width:1024px){
  .main-nav{display:flex}
  .nav-toggle{display:none}
  .nav-cta{display:inline-flex}
}

@media (max-width:639px){
  .section{padding:56px 0}
  .page-banner .container{padding-top:38px;padding-bottom:38px}
  .banner-stats{gap:18px}
  .banner-stats .stat{min-width:96px}
  .cta-inner{padding:38px 20px;border-radius:18px}
  .mega-panel{display:none !important}
  .mega-wrap.open .mega-panel{display:block !important}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}

/* roulang page: category3 */
:root{
  --bg:#070B1F;
  --bg-2:#0C142E;
  --primary:#2D6BFF;
  --accent:#17E0C8;
  --amber:#FFB43D;
  --text:#EAF0FF;
  --text-2:#C3CEE8;
  --text-3:#8A99BF;
  --text-4:#66739A;
  --glass:rgba(255,255,255,.055);
  --glass-2:rgba(255,255,255,.085);
  --line:rgba(140,190,255,.16);
  --line-soft:rgba(140,190,255,.09);
  --r-card:16px;
  --r-panel:18px;
  --r-btn:12px;
  --max:1240px;
  --shadow:0 8px 24px rgba(0,0,0,.28);
  --shadow-lg:0 18px 44px rgba(0,0,0,.45);
  --glow:0 0 0 1px rgba(45,107,255,.5),0 10px 30px rgba(23,224,200,.22);
  --ease:220ms cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text-2);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(760px 460px at 12% -6%,rgba(45,107,255,.20),transparent 70%),
    radial-gradient(680px 420px at 92% 4%,rgba(23,224,200,.13),transparent 72%),
    radial-gradient(900px 600px at 50% 108%,rgba(45,107,255,.10),transparent 75%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--accent);text-decoration:none;transition:color var(--ease)}
a:hover{color:#79f3e4}
h1,h2,h3,h4{color:var(--text);margin:0;font-weight:700;line-height:1.28;letter-spacing:.6px}
h1{font-size:clamp(26px,3.4vw,44px);font-weight:800}
h2{font-size:clamp(22px,2.4vw,31px);font-weight:800}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.row{max-width:var(--max);margin-left:auto;margin-right:auto}
.row .column{padding-left:12px;padding-right:12px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:72px 0;position:relative;z-index:1}
.section-tight{padding:52px 0}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head p{color:var(--text-3);font-size:15.5px;margin:12px 0 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:1.4px;color:var(--accent);
  text-transform:uppercase;font-weight:600;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:2px}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(7,11,31,.72);
  backdrop-filter:blur(16px);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease);
}
.site-header.scrolled{background:rgba(7,11,31,.92);border-bottom-color:var(--line-soft)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:74px}
.brand{display:flex;align-items:center;gap:12px;color:var(--text)}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04101f;font-weight:800;font-size:19px;
  box-shadow:0 8px 20px rgba(45,107,255,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{font-size:16.5px;font-weight:800;letter-spacing:.6px;color:var(--text)}
.brand-text em{font-style:normal;font-size:11.5px;color:var(--text-4);letter-spacing:2px}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  position:relative;display:inline-block;padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-3);transition:var(--ease);
}
.nav-link:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--text)}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
}
.nav-right{display:flex;align-items:center;gap:12px}
.mega-wrap{position:relative}
.mega-trigger{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--glass);border:1px solid var(--line);color:var(--text-2);
  padding:9px 15px;border-radius:999px;font-size:14px;font-weight:600;transition:var(--ease);
}
.mega-trigger:hover{border-color:rgba(23,224,200,.5);color:var(--text)}
.mega-trigger i{font-size:11px;transition:transform var(--ease)}
.mega-wrap:hover .mega-trigger i,.mega-wrap.open .mega-trigger i{transform:rotate(180deg)}
.mega-panel{
  position:absolute;right:0;top:calc(100% + 12px);width:620px;
  background:linear-gradient(180deg,rgba(12,20,46,.98),rgba(9,14,36,.98));
  border:1px solid var(--line);border-radius:var(--r-panel);
  padding:22px;box-shadow:var(--shadow-lg);
  opacity:0;visibility:hidden;transform:translateY(6px);
  transition:opacity 160ms ease,transform 160ms ease,visibility 160ms;
  z-index:130;
}
.mega-wrap:hover .mega-panel,
.mega-wrap:focus-within .mega-panel,
.mega-wrap.open .mega-panel{opacity:1;visibility:visible;transform:translateY(0)}
.mega-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.mega-col h4{font-size:13px;letter-spacing:1.6px;color:var(--text-4);text-transform:uppercase;margin-bottom:12px;font-weight:600}
.mega-col a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:9px 12px;border-radius:10px;color:var(--text-2);font-size:14.5px;transition:var(--ease);
}
.mega-col a:hover{background:rgba(45,107,255,.14);color:var(--text);transform:translateX(2px)}
.mega-col a i{font-size:10px;color:var(--text-4)}
.mega-status{background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:16px}
.mega-status p{font-size:13.5px;color:var(--text-3);margin:10px 0 14px;line-height:1.7}
.nav-toggle{
  display:none;width:44px;height:40px;border-radius:11px;
  background:var(--glass);border:1px solid var(--line);
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15.5px;font-weight:600;
  border:1px solid transparent;transition:var(--ease);cursor:pointer;letter-spacing:.4px;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#04101f;box-shadow:var(--glow);
}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,107,255,.6),0 16px 38px rgba(23,224,200,.3);color:#04101f}
.btn-primary:active{transform:translateY(1px);box-shadow:0 0 0 1px rgba(45,107,255,.5),0 6px 16px rgba(23,224,200,.18)}
.btn-ghost{
  background:var(--glass);border-color:var(--line);color:var(--text-2);
  backdrop-filter:blur(12px);
}
.btn-ghost:hover{border-color:rgba(23,224,200,.5);color:var(--text);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn-block{width:100%}
.btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}

/* ---------- Badges ---------- */
.status-badge{
  display:inline-flex;align-items:center;gap:7px;
  padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(23,224,200,.12);color:var(--accent);border:1px solid rgba(23,224,200,.28);
}
.status-badge i{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(23,224,200,.15)}
.status-badge.warn{background:rgba(255,180,61,.12);color:var(--amber);border-color:rgba(255,180,61,.3)}
.status-badge.warn i{background:var(--amber);box-shadow:0 0 0 4px rgba(255,180,61,.15)}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(45,107,255,.16);color:#9cbaff;border:1px solid rgba(45,107,255,.3);
}
.tag.mute{background:rgba(255,255,255,.06);color:var(--text-3);border-color:var(--line)}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-4);margin-bottom:18px}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{opacity:.4}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;z-index:1;
  padding:56px 0 60px;
  background-image:linear-gradient(120deg,rgba(7,11,31,.9),rgba(7,11,31,.78)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line-soft);
}
.page-banner .lede{max-width:760px;font-size:17px;color:var(--text-2);margin-top:16px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.banner-stats{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;
  margin-top:38px;padding-top:30px;border-top:1px solid var(--line-soft);
}
.banner-stat strong{display:block;font-size:22px;color:var(--text);font-weight:800;letter-spacing:.5px}
.banner-stat span{font-size:13.5px;color:var(--text-3)}

/* ---------- Status strip ---------- */
.status-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.status-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;backdrop-filter:blur(14px);transition:var(--ease);
}
.status-card:hover{transform:translateY(-4px);border-color:rgba(23,224,200,.36);box-shadow:var(--shadow-lg)}
.status-card h3{font-size:17px;margin:14px 0 8px}
.status-card p{font-size:14.5px;color:var(--text-3);margin:0}
.status-card .ico{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(45,107,255,.16);border:1px solid rgba(45,107,255,.3);color:#9cbaff;font-size:17px;
}

/* ---------- Timeline ---------- */
.timeline{position:relative;margin-top:40px}
.timeline::before{
  content:"";position:absolute;left:23px;top:10px;bottom:10px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,rgba(45,107,255,.75),rgba(23,224,200,.4) 55%,rgba(45,107,255,0));
}
.tl-item{position:relative;padding:0 0 24px 76px}
.tl-item:last-child{padding-bottom:0}
.tl-num{
  position:absolute;left:0;top:2px;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:18px;color:#04101f;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 10px 24px rgba(45,107,255,.35);
}
.tl-body{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:22px 26px;backdrop-filter:blur(14px);transition:var(--ease);
}
.tl-body:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.34);box-shadow:var(--shadow-lg)}
.tl-body h3{font-size:18.5px;margin-bottom:8px}
.tl-body p{margin:0;font-size:15.5px;color:var(--text-3)}
.tl-note{margin-top:12px;display:flex;flex-wrap:wrap;gap:8px}

/* ---------- State cards ---------- */
.state-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.state-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;backdrop-filter:blur(14px);transition:var(--ease);
}
.state-card:hover{transform:translateY(-4px);border-color:rgba(45,107,255,.45);box-shadow:var(--shadow-lg)}
.state-card h3{font-size:18px;margin-bottom:10px}
.state-card p{font-size:15px;color:var(--text-3);margin:0}
.state-card.wide{grid-column:1 / -1;display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
.state-card.wide .thumb{border-radius:14px;overflow:hidden;border:1px solid var(--line)}
.state-card.wide .thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.state-card.wide:hover .thumb img{transform:scale(1.03)}
.state-card .fix{
  margin-top:14px;padding:12px 16px;border-radius:12px;
  background:rgba(23,224,200,.08);border-left:3px solid var(--accent);
  font-size:14.5px;color:var(--text-2);
}

/* ---------- Related list ---------- */
.rel-list{display:flex;flex-direction:column;gap:18px}
.rel-item{
  display:grid;grid-template-columns:250px 1fr;gap:24px;align-items:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;backdrop-filter:blur(14px);transition:var(--ease);
}
.rel-item:hover{transform:translateY(-3px);border-color:rgba(23,224,200,.34);box-shadow:var(--shadow-lg)}
.rel-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line);position:relative}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease}
.rel-item:hover .rel-thumb img{transform:scale(1.03)}
.rel-body h3{font-size:18.5px;margin-bottom:8px;transition:color var(--ease)}
.rel-item:hover .rel-body h3{color:var(--accent)}
.rel-body p{font-size:15px;color:var(--text-3);margin:0 0 12px}
.rel-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;font-size:13px;color:var(--text-4)}
.rel-meta .go{color:var(--accent);font-weight:600;margin-left:auto}

/* ---------- Figure ---------- */
.figure-block{
  display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  padding:30px;backdrop-filter:blur(14px);
}
.figure-block img{border-radius:14px;width:100%;aspect-ratio:16/9;object-fit:cover}
.figcap{font-size:13px;color:var(--text-4);margin-top:10px}
.check-list li{
  position:relative;padding-left:26px;margin-bottom:12px;font-size:15.5px;color:var(--text-2);
}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:9px;height:9px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--accent));
  box-shadow:0 0 0 4px rgba(45,107,255,.14);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--r-panel);
  backdrop-filter:blur(14px);overflow:hidden;transition:var(--ease);
}
.faq-item[open]{border-color:rgba(23,224,200,.4);box-shadow:var(--shadow)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px 20px 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:17px;font-weight:600;color:var(--text);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;
  background:linear-gradient(180deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--ease);
}
.faq-item[open] summary::before{opacity:1}
.faq-item summary i{font-size:13px;color:var(--text-4);transition:transform var(--ease)}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--accent)}
.faq-answer{padding:0 26px 22px 26px;font-size:15.5px;color:var(--text-3)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(45,107,255,.20),rgba(23,224,200,.12));
  border:1px solid var(--line);border-radius:24px;
  padding:52px 44px;text-align:center;backdrop-filter:blur(16px);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(23,224,200,.28),transparent 68%);
}
.cta-band h2{position:relative;z-index:1}
.cta-band p{position:relative;z-index:1;max-width:620px;margin:14px auto 0;color:var(--text-2);font-size:16px}
.cta-band .btn-row{justify-content:center;position:relative;z-index:1}
.cta-band .fine{position:relative;z-index:1;margin-top:20px;font-size:13px;color:var(--text-4)}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;margin-top:40px;
  background:linear-gradient(180deg,rgba(12,20,46,.7),rgba(7,11,31,.96));
  border-top:1px solid var(--line-soft);padding:60px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand strong{font-size:17px;color:var(--text);font-weight:800;letter-spacing:.5px}
.footer-col p{font-size:14.5px;color:var(--text-3);margin:0;line-height:1.85}
.footer-col h4{font-size:14px;letter-spacing:1.4px;color:var(--text-4);text-transform:uppercase;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;font-size:14.5px;color:var(--text-3);padding:6px 0;transition:var(--ease)}
.footer-col a:hover{color:var(--accent);transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--text-4);
}

/* ---------- Responsive ---------- */
@media screen and (max-width:1279px){
  .container{padding:0 22px}
}
@media screen and (max-width:1023px){
  .main-nav{
    position:fixed;left:0;right:0;top:74px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(9,14,36,.99);border-bottom:1px solid var(--line);
    padding:22px;transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:var(--ease);max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.open{transform:translateY(0);opacity:1;visibility:visible}
  .main-nav .nav-link{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line-soft)}
  .nav-link.active::after{display:none}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
  .mega-panel{width:min(560px,92vw)}
  .status-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .banner-stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .state-card.wide{grid-template-columns:1fr}
  .figure-block{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .section{padding:56px 0}
  .page-banner{padding:40px 0 46px}
  .banner-stats{grid-template-columns:1fr;gap:18px;margin-top:28px}
  .status-strip{grid-template-columns:1fr}
  .state-grid{grid-template-columns:1fr;gap:18px}
  .rel-item{grid-template-columns:1fr}
  .rel-thumb{max-width:100%}
  .rel-meta .go{margin-left:0}
  .timeline::before{left:19px}
  .tl-item{padding-left:60px}
  .tl-num{width:40px;height:40px;font-size:16px;border-radius:12px}
  .tl-body{padding:18px 20px}
  .cta-band{padding:38px 22px;border-radius:20px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .mega-panel{width:min(420px,94vw);padding:18px}
  .mega-grid{grid-template-columns:1fr}
  .brand-text strong{font-size:15px}
}
@media screen and (max-width:520px){
  .container{padding:0 16px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .btn-sm{width:auto}
  .banner-meta{gap:8px}
  .faq-item summary{font-size:16px;padding:17px 18px 17px 20px}
  .faq-answer{padding:0 20px 18px 20px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
}